Pith Number

pith:UHQGWKMN

pith:2015:UHQGWKMN3LLOSO4Z5GZYGRK4HY

not attested not anchored not stored refs pending

Bio-inspired Unsupervised Learning of Visual Features Leads to Robust Invariant Object Recognition

Mohammad Ganjtabesh, Saeed Reza Kheradpisheh, Timoth\'ee Masquelier

arxiv:1504.03871 v3 · 2015-04-15 · cs.CV · q-bio.NC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UHQGWKMN3LLOSO4Z5GZYGRK4HY}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:50:57.858251Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1e06b298ddad6e93b99e9b383455c3e13fb251091377acda51ff4b6ee0445a2

Aliases

arxiv: 1504.03871 · arxiv_version: 1504.03871v3 · doi: 10.48550/arxiv.1504.03871 · pith_short_12: UHQGWKMN3LLO · pith_short_16: UHQGWKMN3LLOSO4Z · pith_short_8: UHQGWKMN

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/UHQGWKMN3LLOSO4Z5GZYGRK4HY \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: a1e06b298ddad6e93b99e9b383455c3e13fb251091377acda51ff4b6ee0445a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd2bb2359266d4b055d5a91f050e71c77471cdd619ccf43e606b637e3a95587a",
    "cross_cats_sorted": [
      "q-bio.NC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-04-15T11:47:21Z",
    "title_canon_sha256": "ed4110d65f88772b971c74d39f259ce373c368dc89772b88f30fa84143c69338"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.03871",
    "kind": "arxiv",
    "version": 3
  }
}